Euler’s Pendulum

Take a thick plate of non-magnetic material and fix a neodymium magnet on top of it. Suspend a magnetic rod (which can be assembled from cylindrical neodymium magnets) underneath it. Deflect the rod so that it touches the plate only with highest edge and release it. Study the motion of such a pendulum under various conditions.

     在一塊厚的無磁性的板子頂面固定一塊釹磁鐵。在其下方懸掛一根磁棒（可以由圓柱形釹磁鐵依次拼接而成）。偏轉磁棒，使其僅以最高邊緣接觸板底面并釋放它。研究這種擺在各種條件下的運動。